Whitestone REIT (WSR) VP receives 24,084 shares after #1 TSR ranking

Rhea-AI Filing Summary

Whitestone REIT reported an equity award and related tax share withholding for its VP of Human Resources, Soklin Siv. On 01/02/2026, the officer acquired 24,084 restricted common shares at $0, issued upon vesting of performance-based restricted stock units granted in 2023 under the company’s 2018 Long-Term Equity Incentive Ownership Plan. These units vested at 200% of target based on the company’s #1 peer group ranking for total shareholder return for the performance period from January 1, 2023 through December 31, 2025.

Also on 01/02/2026, 6,521 common shares were disposed of and withheld by Whitestone REIT to satisfy tax withholding obligations tied to the vesting, using a per-share value of $13.89 based on the closing sales price on December 31, 2025. After these transactions, the officer directly beneficially owned 98,744 common shares of Whitestone REIT.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Siv Soklin

(Last) (First) (Middle)

2600 SOUTH GESSNER

SUITE 500

(Street)

HOUSTON TX 77063

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Whitestone REIT [ WSR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP of Human Resources

3. Date of Earliest Transaction (Month/Day/Year)
01/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares	01/02/2026		A		24,084(1)	A	$0	105,265	D
Common Shares	01/02/2026		F		6,521(2)	D	$13.89(3)	98,744	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents restricted common shares issued upon vesting of performance based restricted stock units granted in 2023 under the Company's 2018 Long-Term Equity Incentive Ownership Plan, which vested at 200% of target based on the Company's #1 peer group ranking for total shareholder return for the performance period from January 1, 2023 through December 31, 2025.

2. Represents common shares withheld by the Company to satisfy tax withholding obligations in connection with the vesting of certain restricted units previously granted pursuant to the Company's 2018 Long-Term Equity Incentive Ownership Plan.

3. Per Share value assigned by the Company to the tax withholding shares based on the closing sales price of the common shares on December 31, 2025.

	/s/ John Scott Hogan Attorney-in Fact for Soklin Siv	01/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Whitestone REIT (WSR) report for January 2, 2026?

Whitestone REIT reported that its VP of Human Resources, Soklin Siv, acquired 24,084 restricted common shares and had 6,521 common shares withheld to cover taxes on 01/02/2026.

Why did the Whitestone REIT (WSR) performance-based restricted stock units vest at 200% of target?

The units vested at 200% of target because Whitestone REIT achieved a #1 peer group ranking for total shareholder return over the performance period from January 1, 2023 through December 31, 2025.

How many Whitestone REIT (WSR) shares does the reporting officer own after this Form 4 transaction?

Following the reported transactions, the VP of Human Resources directly beneficially owned 98,744 common shares of Whitestone REIT.

What was the purpose of the 6,521 Whitestone REIT (WSR) shares disposed of on January 2, 2026?

The 6,521 common shares were withheld by the company to satisfy tax withholding obligations related to the vesting of restricted units granted under the 2018 Long-Term Equity Incentive Ownership Plan.

How was the per-share value determined for the Whitestone REIT (WSR) tax withholding shares?

The company assigned a per-share value of $13.89 to the tax withholding shares, based on the closing sales price of Whitestone REIT common shares on December 31, 2025.

What role does the reporting person hold at Whitestone REIT (WSR)?

The reporting person, Soklin Siv, serves as VP of Human Resources at Whitestone REIT.